3r=r+8

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Solution for 3r=r+8 equation: 


Simplifying
3r = r + 8

Reorder the terms:
3r = 8 + r

Solving
3r = 8 + r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-1r' to each side of the equation.
3r + -1r = 8 + r + -1r

Combine like terms: 3r + -1r = 2r
2r = 8 + r + -1r

Combine like terms: r + -1r = 0
2r = 8 + 0
2r = 8

Divide each side by '2'.
r = 4

Simplifying
r = 4

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